/*顶部导航栏*/
.title {
    top:0;
    position: fixed;
    width: 100%;
    height: 70px;
    z-index: 100;
    box-sizing: border-box;
    font-size: 22px;
    color: #111111;
    background-color: #ffffff;
    /*color: #fff;*/
    /*background-color: #242f42;*/
}

/*左侧目录*/
.menu {
    position: fixed;
    left: 0;
    bottom: 0;
    padding-top: 50px;
    width: 300px;
    height: 100%;
    background-color: #ffffff;
    /*background-color: #324157;*/
    display: block;
    overflow-y: scroll;
}

.center {
    background: #f0f0f0;
    min-height: 900px;
    max-height: 2000px;
    padding: 90px 20px 30px 320px;
}

